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Finding the Fourth Proportional to 349,993.08, 524,872.85 and 136,705.67

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Solution

The fourth proportional to 349,993.08, 524,872.85 and 136,705.67 is: 205,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,993.08 : 524,872.85 = 136,705.67 : x
  2. Step 2: Convert to fraction form
    349,993.08/524,872.85 = 136,705.67/x
  3. Step 3: Cross multiply
    349,993.08x = 524,872.85 × 136,705.67
  4. Step 4: Simplify right side
    349,993.08x = 71,753,093,284.44
  5. Step 5: Solve for x
    x = 71,753,093,284.44/349,993.08
  6. Step 6: Final answer
    x = 205,012.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.